Answers to 12+13 Review Sheet (Test on Wed/Thurs 4/10-4/11)

Sorry about getting them up here so late!

1.  0.0055m
2.  4 nodes
3.  1/9
4.  0.25 W
5.  180 Hz, 540 Hz, 900 Hz
6.  100 dB
7.  5.01 W/m^2
8.  0.20 s
9.  70.1 Hz, so 285 harmonics
10.  3.0 x 10^3 Hz
11.  0.25 s, 4.0 Hz
12.  27.9 N
13.  4.07 s
14.  17.5 m/s^2
15.  T = 2.84 s, so 105 complete oscillations